Author: Mathew May
MDL-66697 gradingform_rubric: Support new grading panel
Part of MDL-66074
http://git.moodle.org/gw?p=moodle.git;a=commit;h=eb9df053eba0cb3ef5c79292d594efb22ec9421e
http://github.com/moodle/moodle/commit/eb9df053eba0cb3ef5c79292d594efb22ec9421e
+ 3.8 en [pointsvalue,gradingform_rubric]